Difference between revisions of "TableOfValues1"
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Line 68:  Line 68:  
@answer = (); 
@answer = (); 

−  $f = Formula(" 
+  $f = Formula("3^x"); 
foreach my $i (0..2) { 
foreach my $i (0..2) { 
Revision as of 20:37, 1 December 2010
Fill in a Table of Values for a Function
This PG code shows how to create a table with answer blanks in it.
 Download file: File:TableOfValues1.txt (change the file extension from txt to pg when you save it)
 File location in NPL:
NationalProblemLibrary/FortLewis/Authoring/Templates/Precalc/TableOfValues1.pg
PG problem file  Explanation 

Problem tagging: 

DOCUMENT(); loadMacros( "PGstandard.pl", "MathObjects.pl", "AnswerFormatHelp.pl", ); TEXT(beginproblem()); 
Initialization: 
Context("Numeric"); @answer = (); $f = Formula("3^x"); foreach my $i (0..2) { $answer[$i] = $f>eval(x=>$i); } 
Setup: 
Context()>texStrings; BEGIN_TEXT If \( f(x) = $f \), fill in the table of values with numbers. \{ AnswerFormatHelp("numbers") \} $PAR $BCENTER \{ begintable(5) . row( "\(x = \)", "0", "1", "2" ) . row( "\(f(x) = \)", ans_rule(5), ans_rule(5), ans_rule(5) ) . endtable(); \} $ECENTER END_TEXT Context()>normalStrings; 
Main Text:
Notice that the table is inside a Perl code block 
$showPartialCorrectAnswers = 1; foreach my $i (0..2) { ANS( $answer[$i]>cmp() ); } 
Answer Evaluation: 
Context()>texStrings; BEGIN_SOLUTION ${PAR}SOLUTION:${PAR} Solution explanation goes here. END_SOLUTION Context()>normalStrings; COMMENT('MathObject version.'); ENDDOCUMENT(); 
Solution: 